A centrifugal filtration unit operating at a rotational speed of w has inner surface of the liquid (density ρL) located at a radial distance R from the axis of rotation. The thickness of the liquid film is δ and no cake is formed. The initial pressure drop during filtration is
A. $$\frac{1}{2}$$w2.R2.ρL
B. $$\frac{1}{2}$$w2.δ2.ρL
C. $$\frac{1}{2}$$w2.δ.ρL(2R + δ)
D. $$\frac{1}{2}$$w2.R.ρL(R + 2δ)
Answer: Option C
Related Questions on Mechanical Operations
A. Rittinger's law
B. Kick's law
C. Bond's law
D. None of these
Traces of solids are removed from, liquid in a
A. Classifier
B. Clarifier
C. Sparkler filter
D. Rotary vacuum filter
Which of the following is not categorised as a "mechanical operation"?
A. Agitation
B. Filtration
C. Size enlargement
D. Humidification
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